graph LR
subgraph "三相双向变流桥臂"
A[电网输入] --> B[LC滤波器]
B --> C[三相桥节点]
subgraph "IGBT半桥模块"
Q1["VBP112MI25 \n 上管"]
Q2["VBP112MI25 \n 下管"]
end
C --> Q1
C --> Q2
Q1 --> D[直流母线正极]
Q2 --> E[直流母线负极]
end
subgraph "驱动与保护"
F[主控制器] --> G[隔离驱动电路]
G --> Q1
G --> Q2
subgraph "吸收与保护网络"
RC_SNUBBER["RC吸收电路"]
TVS_ARRAY["TVS保护阵列"]
DESAT_PROT["退饱和保护"]
end
RC_SNUBBER --> C
TVS_ARRAY --> G
DESAT_PROT --> F
end
subgraph "电流电压检测"
H[直流母线] --> I[电压传感器]
J[交流侧] --> K[电流传感器]
I --> L[ADC采样]
K --> L
L --> F
end
style Q1 fill:#e8f5e8,stroke:#4caf50,stroke-width:2px
电池管理系统(BMS)保护拓扑详图
graph TB
subgraph "电池串高压保护"
A["电池组正极"] --> B["主保护MOSFET"]
B["VBM16R34SFD"] --> C[负载端]
D["电池组负极"] --> E["电流检测电阻"]
E --> F[系统接地]
G[BMS控制器] --> H[栅极驱动器]
H --> B
end
subgraph "主动均衡电路"
I["单体电池1"] --> J["均衡开关1"]
K["单体电池2"] --> L["均衡开关2"]
M["单体电池3"] --> N["均衡开关3"]
subgraph "均衡开关阵列"
Q_EQ1["VBM16R34SFD"]
Q_EQ2["VBM16R34SFD"]
Q_EQ3["VBM16R34SFD"]
end
J --> Q_EQ1
L --> Q_EQ2
N --> Q_EQ3
Q_EQ1 --> O[均衡变压器]
Q_EQ2 --> O
Q_EQ3 --> O
O --> P[均衡能量转移]
end
subgraph "监控与保护"
Q[电压采样] --> R[AFE芯片]
S[温度传感器] --> R
T[电流检测] --> R
R --> G
subgraph "硬件保护"
UV_LOCK["欠压锁定"]
OV_TRIP["过压跳闸"]
OC_COMP["过流比较器"]
end
UV_LOCK --> U[关断信号]
OV_TRIP --> U
OC_COMP --> U
U --> H
end
style B fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
style Q_EQ1 fill:#e3f2fd,stroke:#2196f3,stroke-width:2px
辅助电源与电机驱动拓扑详图
graph LR
subgraph "辅助电源分配开关"
A[48V辅助总线] --> B["主开关MOSFET"]
B["VBL2609"] --> C[电源分配节点]
C --> D[负载1: 冷却泵]
C --> E[负载2: 风扇]
C --> F[负载3: 液压系统]
C --> G[负载4: 控制单元]
H[控制MCU] --> I[高边驱动器]
I --> B
end
subgraph "直流电机H桥驱动"
subgraph "H桥功率级"
J["VBL2609 (左上)"]
K["VBL2609 (右上)"]
L["VBL2609 (左下)"]
M["VBL2609 (右下)"]
end
N[电机电源] --> J
N --> K
J --> O[电机正端]
K --> O
L --> P[电机负端]
M --> P
O --> Q[直流电机]
P --> Q
R[电机控制器] --> S[PWM驱动电路]
S --> J
S --> K
S --> L
S --> M
end
subgraph "保护与监控"
T[电流检测] --> U[过流保护]
V[温度检测] --> W[过热保护]
U --> X[关断逻辑]
W --> X
X --> S
end
style B fill:#fff3e0,stroke:#ff9800,stroke-width:2px
style J fill:#fff3e0,stroke:#ff9800,stroke-width:2px
点击下载：VBM16R34SFD规格书
中文
English
